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 <h2 class="title">运行时配置</h2>
 <p class="simpara">
这些函数的行为受 <var class="filename">php.ini</var> 中的设置影响。
</p>
 <p class="para">
 <table class="doctable table">
  <caption><strong>Mcrypt 配置选项</strong></caption>
  
   <thead>
    <tr>
     <th>名字</th>
     <th>默认</th>
     <th>可修改范围</th>
     <th>更新日志</th>
    </tr>

   </thead>

   <tbody class="tbody">
    <tr>
     <td><a href="mcrypt.configuration.html#ini.mcrypt.algorithms-dir" class="link">mcrypt.algorithms_dir</a></td>
     <td><strong><code>null</code></strong></td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>

    <tr>
     <td><a href="mcrypt.configuration.html#ini.mcrypt.modes-dir" class="link">mcrypt.modes_dir</a></td>
     <td><strong><code>null</code></strong></td>
     <td>PHP_INI_ALL</td>
     <td class="empty">&nbsp;</td>
    </tr>

   </tbody>
  
 </table>

 有关 PHP_INI_* 样式的更多详情与定义，见 <a href="configuration.changes.modes.html" class="xref">配置可被设定范围</a>。
 </p>

 <p class="para">这是配置指令的简短说明。</p>
 <p class="para">
  <dl>
   
    <dt id="ini.mcrypt.algorithms-dir">
     <code class="parameter">mcrypt.algorithms_dir</code>
     <span class="type">string</span>
    </dt>

    <dd>

     <p class="para">
      包含算法的目录。
      默认情况向是 libmcrypt 的编译目录，
      通常是 <em class="emphasis">/usr/local/lib/libmcrypt</em>。
      更多信息请参见 <span class="function"><a href="function.mcrypt-list-algorithms.html" class="function">mcrypt_list_algorithms()</a></span>。
     </p>
    </dd>

   
   
    <dt id="ini.mcrypt.modes-dir">
     <code class="parameter">mcrypt.modes_dir</code>
     <span class="type">string</span>
    </dt>

    <dd>

     <p class="para">
      包含模式的目录。
      默认情况向是 libmcrypt 的编译目录，
      通常是 <em class="emphasis">/usr/local/lib/libmcrypt</em>。
      更多信息请参见 <span class="function"><a href="function.mcrypt-list-modes.html" class="function">mcrypt_list_modes()</a></span>。
     </p>
    </dd>

   
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